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Threadless setups - grease steerer/stem or not?(4 posts)

Threadless setups - grease steerer/stem or not?DaveG
Feb 19, 2002 9:52 AM
Both my repair books say not to grease the steerer/stem connection. Yet, we are told to grease quill stem wedges, seatposts, and stem/handlebar clamps. Does the stem connection take more stress then these items? What is going to prevent my stem from becoming permanent with the steerer due to corrosion? Do others here grease their stems or not? My application uses steel steerer, AL stem.
Yep...Mike Prince
Feb 19, 2002 10:28 AM
I do on my bike (steel stem/steel steerer). Keeps the steerer from developing surface rust where exposed and also makes it a lot easier to move/remove the stem. No issues with slipping at all if everything is installed/tightened properly.

Seems like this would need the same treatment as a seatpost, which is similar to your steel/aluminum combination.
re: Threadless setups - grease steerer/stem or not?pa rider
Feb 21, 2002 6:38 AM
Don't grease the stem or spaces on threadless system (as the repair book stated). My LBS gave me hell when they put my chris king headset in my cannondale last August. Has to do with over tighten I guess when you check the headset for play. I thought the same rules applied like yourself.
Feb 21, 2002 9:21 AM
No grease on the steerer stem interface. First of all the parts aren't moving nor do you want them to move. Grease decreases the very friction you rely on to keep the stem oriented with the fork/wheel. Puttting grease in there makes this connection more tenuous - not a good thing - and requires higher clamping forces - even worse. Second they aren't about to corrode and sieze. If you're worried about siezing then use anti-sieze, but you aren't going to need it. It will easily come off in the future. The book is right.